Home / 47,147,954.01-70,721,950.65-21,209,958.88

Finding the Fourth Proportional to 47,147,954.01, 70,721,950.65 and 21,209,958.88

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Solution

The fourth proportional to 47,147,954.01, 70,721,950.65 and 21,209,958.88 is: 31,814,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147,954.01 : 70,721,950.65 = 21,209,958.88 : x
  2. Step 2: Convert to fraction form
    47,147,954.01/70,721,950.65 = 21,209,958.88/x
  3. Step 3: Cross multiply
    47,147,954.01x = 70,721,950.65 × 21,209,958.88
  4. Step 4: Simplify right side
    47,147,954.01x = 1,500,009,665,199,889.25
  5. Step 5: Solve for x
    x = 1,500,009,665,199,889.25/47,147,954.01
  6. Step 6: Final answer
    x = 31,814,947.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.